Home · 2016 Cadillac XTS · Complaints

What 22 owners told NHTSA about the 2016 Cadillac XTS

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (22)Crash / fire / injury (1)Electrical system (7)Fuel system (2)Seat belts (2)Wheels (2)Airbags (1)Body & structure (1)Engine (1)Steering (1)Suspension (1)Tires (1)

1 of 22 complaints match · Body & structure · clear filters

Oct 1, 2019Body & structure

WATER IS ENTERING THE TRUNK WHERE THE SPARE TIRE IS LOCATED. IT HAPPENS WHEN IT RAIN AND WHEN THE VEHICLE IS WASHED. I CANNOT DETERMINE WHERE THE WATER IS ENTERING THE VEHICLE. THE TRUNK FLOOR DOES NOT GET WET. ONLY GET WET IN THE SPARE TIRE AREA UNDER THE TRUNK FLOOR

NHTSA ODI 11265488

Working with the data? Download all 22 complaints as CSV · fetched from NHTSA July 23, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2016 Cadillac XTS verdict →